Writing instrument



FIG. 1 is a first side view of a writing instrument according to our new design;

FIG. 2 is a front elevational view;

FIG. 3 is a side view opposite that shown in FIG. 1;

FIG. 4 is a rear elevational view;

FIG. 5 is a top plan view;

FIG. 6 is a bottom plan view;

FIG. 7 is a perspective view;

FIG. 8 is a side view with the cap in a stored position and the writing tip exposed;

FIG. 9 is a front elevational view of FIG. 8;

FIG. 10 is a side view opposite that shown in FIG. 8;

FIG. 11 is a rear elevational view of FIG. 8;

FIG. 12 is a top plan view of FIG. 8;

FIG. 13 is a bottom plan view of FIG. 8; and,

FIG. 14 is a perspective view of FIG. 8. 

The ornamental design for a writing instrument, as shown and described. 